From 6888d776fffb3d5e105eddc271a2d6231abf0922 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Mon, 6 Jan 2020 21:55:06 -0300
Subject: vk_pipeline_cache: Initial implementation

Given a pipeline key, this cache returns a pipeline abstraction (for
graphics or compute).
---
 src/video_core/renderer_vulkan/vk_pipeline_cache.h | 109 ++++++++++++++++++++-
 1 file changed, 108 insertions(+), 1 deletion(-)

(limited to 'src/video_core/renderer_vulkan/vk_pipeline_cache.h')

diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.h b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
index e49ed135d..8678fc9c3 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.h
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
@@ -6,23 +6,49 @@
 
 #include <array>
 #include <cstddef>
+#include <memory>
+#include <tuple>
+#include <type_traits>
+#include <unordered_map>
+#include <utility>
 #include <vector>
 
 #include <boost/functional/hash.hpp>
 
 #include "common/common_types.h"
+#include "video_core/engines/const_buffer_engine_interface.h"
 #include "video_core/engines/maxwell_3d.h"
+#include "video_core/rasterizer_cache.h"
 #include "video_core/renderer_vulkan/declarations.h"
 #include "video_core/renderer_vulkan/fixed_pipeline_state.h"
+#include "video_core/renderer_vulkan/vk_graphics_pipeline.h"
+#include "video_core/renderer_vulkan/vk_renderpass_cache.h"
+#include "video_core/renderer_vulkan/vk_resource_manager.h"
 #include "video_core/renderer_vulkan/vk_shader_decompiler.h"
+#include "video_core/shader/const_buffer_locker.h"
 #include "video_core/shader/shader_ir.h"
+#include "video_core/surface.h"
+
+namespace Core {
+class System;
+}
 
 namespace Vulkan {
 
+class RasterizerVulkan;
+class VKComputePipeline;
+class VKDescriptorPool;
 class VKDevice;
+class VKFence;
+class VKScheduler;
+class VKUpdateDescriptorQueue;
 
+class CachedShader;
+using Shader = std::shared_ptr<CachedShader>;
 using Maxwell = Tegra::Engines::Maxwell3D::Regs;
 
+using ProgramCode = std::vector<u64>;
+
 struct GraphicsPipelineCacheKey {
     FixedPipelineState fixed_state;
     std::array<GPUVAddr, Maxwell::MaxShaderProgram> shaders;
@@ -84,7 +110,88 @@ struct hash<Vulkan::ComputePipelineCacheKey> {
 
 namespace Vulkan {
 
-class VKDevice;
+class CachedShader final : public RasterizerCacheObject {
+public:
+    explicit CachedShader(Core::System& system, Tegra::Engines::ShaderType stage, GPUVAddr gpu_addr,
+                          VAddr cpu_addr, u8* host_ptr, ProgramCode program_code, u32 main_offset);
+    ~CachedShader();
+
+    GPUVAddr GetGpuAddr() const {
+        return gpu_addr;
+    }
+
+    VAddr GetCpuAddr() const override {
+        return cpu_addr;
+    }
+
+    std::size_t GetSizeInBytes() const override {
+        return program_code.size() * sizeof(u64);
+    }
+
+    VideoCommon::Shader::ShaderIR& GetIR() {
+        return shader_ir;
+    }
+
+    const VideoCommon::Shader::ShaderIR& GetIR() const {
+        return shader_ir;
+    }
+
+    const ShaderEntries& GetEntries() const {
+        return entries;
+    }
+
+private:
+    static Tegra::Engines::ConstBufferEngineInterface& GetEngine(Core::System& system,
+                                                                 Tegra::Engines::ShaderType stage);
+
+    GPUVAddr gpu_addr{};
+    VAddr cpu_addr{};
+    ProgramCode program_code;
+    VideoCommon::Shader::ConstBufferLocker locker;
+    VideoCommon::Shader::ShaderIR shader_ir;
+    ShaderEntries entries;
+};
+
+class VKPipelineCache final : public RasterizerCache<Shader> {
+public:
+    explicit VKPipelineCache(Core::System& system, RasterizerVulkan& rasterizer,
+                             const VKDevice& device, VKScheduler& scheduler,
+                             VKDescriptorPool& descriptor_pool,
+                             VKUpdateDescriptorQueue& update_descriptor_queue);
+    ~VKPipelineCache();
+
+    std::array<Shader, Maxwell::MaxShaderProgram> GetShaders();
+
+    VKGraphicsPipeline& GetGraphicsPipeline(const GraphicsPipelineCacheKey& key);
+
+    VKComputePipeline& GetComputePipeline(const ComputePipelineCacheKey& key);
+
+protected:
+    void Unregister(const Shader& shader) override;
+
+    void FlushObjectInner(const Shader& object) override {}
+
+private:
+    std::pair<SPIRVProgram, std::vector<vk::DescriptorSetLayoutBinding>> DecompileShaders(
+        const GraphicsPipelineCacheKey& key);
+
+    Core::System& system;
+    const VKDevice& device;
+    VKScheduler& scheduler;
+    VKDescriptorPool& descriptor_pool;
+    VKUpdateDescriptorQueue& update_descriptor_queue;
+
+    VKRenderPassCache renderpass_cache;
+
+    std::array<Shader, Maxwell::MaxShaderProgram> last_shaders;
+
+    GraphicsPipelineCacheKey last_graphics_key;
+    VKGraphicsPipeline* last_graphics_pipeline = nullptr;
+
+    std::unordered_map<GraphicsPipelineCacheKey, std::unique_ptr<VKGraphicsPipeline>>
+        graphics_cache;
+    std::unordered_map<ComputePipelineCacheKey, std::unique_ptr<VKComputePipeline>> compute_cache;
+};
 
 void FillDescriptorUpdateTemplateEntries(
     const VKDevice& device, const ShaderEntries& entries, u32& binding, u32& offset,
-- 
cgit v1.2.3